CVE-2018-0637
CVE-2018-0637 is a high-severity vulnerability in Nec Aterm Hc100rc Firmware with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- CVSS v2: 9.0
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Nec Aterm Hc100rc Firmware
- Published:
- Last modified:
Description
Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary OS commands via export.cgi encKey parameter.
Frequently asked questions
- What is CVE-2018-0637?
- Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary OS commands via export.cgi encKey parameter.
- How severe is CVE-2018-0637?
- CVE-2018-0637 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-0637 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-0637?
- CVE-2018-0637 affects Nec Aterm Hc100rc Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-0637?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-0637 published?
- CVE-2018-0637 was published on 2019-01-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:nec:aterm_hc100rc_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Nec Aterm Hc100rc Firmware
- CVE-2018-0641 — High (CVSS 7.2): Buffer overflow in Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary…
- CVE-2018-0640 — High (CVSS 7.2): Buffer overflow in Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary…
- CVE-2018-0639 — High (CVSS 7.2): Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary OS commands via…
- CVE-2018-0638 — High (CVSS 7.2): Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary OS commands via…
- CVE-2018-0636 — High (CVSS 7.2): Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary OS commands via…
- CVE-2018-0635 — High (CVSS 7.2): Aterm HC100RC Ver1.0.1 and earlier allows attacker with administrator rights to execute arbitrary OS commands via…
All CVEs affecting Nec Aterm Hc100rc Firmware →
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